The PGM-FI main relay supplies power to the fuel pump.
When engine could not be started, you need to check what is missing.
Click the " First Things To Check " link at bottom of post to get an idea what to look for.
If fuel pressure is missing, then the PGM-FI main relay could be the cause.
If there is no battery voltage at the distributor, then it could be a faulty ignition switch.
Saturday, October 23rd, 2010 AT 8:16 AM